import axios, { Canceler } from "axios"
import { message as Message } from "antd"
// import store from "store/index"
// import { getToken } from "@/utils/auth"
// import errorCode from "@/utils/errorCode"

const errorCode = {
  "401": "认证失败，无法访问系统资源",
  "403": "当前操作没有权限",
  "404": "访问资源不存在",
  default: "系统未知错误，请反馈给管理员"
}

const allPendingRequestsRecord: Canceler[] = []
const getToken = () => sessionStorage.getItem("token")

axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8"
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: "/api/",
  // 超时
  timeout: 10000
})

export const removeAllPendingRequestsRecord = () => {
  allPendingRequestsRecord.forEach((canceler) => {
    // 取消请求（调用函数就是取消该请求）
    canceler("")
  })
  // 移除所有记录
  allPendingRequestsRecord.splice(0)
}

// request拦截器
service.interceptors.request.use(
  (config) => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false
    if (getToken() && !isToken) {
      // eslint-disable-next-line no-param-reassign
      config.headers["x-token"] = `${getToken()}` // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === "get" && config.params) {
      let url = `${config.url}?`
      // eslint-disable-next-line no-restricted-syntax
      for (const propName of Object.keys(config.params)) {
        const value = config.params[propName]
        const part = `${encodeURIComponent(propName)}=`
        if (value !== null && typeof value !== "undefined") {
          if (typeof value === "object") {
            // eslint-disable-next-line no-restricted-syntax
            for (const key of Object.keys(value)) {
              const params = `${propName}[${key}]`
              const subPart = `${encodeURIComponent(params)}=`
              url += `${subPart + encodeURIComponent(value[key])}&`
            }
          } else {
            url += `${part + encodeURIComponent(value)}&`
          }
        }
      }
      url = url.slice(0, -1)
      // eslint-disable-next-line no-param-reassign
      config.params = {}
      // eslint-disable-next-line no-param-reassign
      config.url = url
    }

    // eslint-disable-next-line no-param-reassign
    config.cancelToken = new axios.CancelToken((c) => {
      allPendingRequestsRecord.push(c)
    })

    return config
  },
  (error) => {
    console.log(error)
    Promise.reject(error)
  }
)

// 响应拦截器
service.interceptors.response.use(
  // eslint-disable-next-line consistent-return
  (res) => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode.default
    if (code === 401) {
      Message.error("没有访问权限")
      return Promise.reject(new Error(msg))
    }
    if (code === 500) {
      Message.error(msg)
      return Promise.reject(new Error(msg))
    }
    if (code !== 200) {
      return Promise.reject(new Error("error"))
    }
    return res.data as any
  },
  (error) => {
    console.log(`err${error}`)
    let { message } = error
    if (message === "Network Error") {
      message = "后端接口连接异常"
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时"
    } else if (message.includes("Request failed with status code")) {
      message = `系统接口${message.substr(message.length - 3)}异常`
    }
    return Promise.reject(error)
  }
)

export default service as any
